Dynavox LW6004PMR 6-1/2" Woofer

Dynavox LW6004PMR 6-1/2" Woofer

Brand:| Model: LW6004PMR
Overview
Dynavox is the best kept secret in high end loudspeaker drivers. They were engineered in France and their motor structures were optimized using Finite Element Analysis techniques. The mid-bass drivers feature die cast frame, butyl rubber surround, one piece polypropylene cone and huge 3" voice coil.
Highlights
  • Oversized voice coil for high power handling
  • Underhung voice coil for dynamic transient response
  • Vented spider and pole piece for reduced compression and distortion
Part # 
295-605
Weight: 4.9 lbs.  
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Product Details

Dynavox LW6004PMR 6-1/2" Woofer

Dynavox is the best kept secret in high end loudspeaker drivers. They were engineered in France and their motor structures were optimized using Finite Element Analysis techniques. The mid-bass drivers feature die cast frames, butyl rubber surrounds, one piece polypropylene cones and huge 3" voice coils. The unique motor structure uses magnets located inside the underhung voice coil. The result is a vast improvement in driver linearity and a reduction in harmonic distortions. They also feature vented spider and pole piece to reduce air compression and ensure maximum power handling.



Product Specifications
  • Nominal Diameter6-1/2"
  • Power Handling (RMS)60 Watts
  • Power Handling (max)140 Watts
  • Impedance8 ohms
  • Frequency Response55 to 5,000 Hz
  • Sensitivity86.7 dB 1W/1m
  • Voice Coil Diameter3"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)59.9 Hz
  • DC Resistance (Re)5 ohms
  • Voice Coil Inductance (Le)0.81 mH
  • Mechanical Q (Qms)2.39
  • Electromagnetic Q (Qes)0.76
  • Total Q (Qts)0.58
  • Compliance Equivalent Volume (Vas)0.38 ft.³
  • Mechanical Compliance of Suspension (Cms)0.56 mm/N
  • BL Product (BL)5.6 Tm
  • Diaphragm Mass Inc. Airload (Mms)12.7g
  • Maximum Linear Excursion (Xmax)2.45 mm
  • Surface Area of Cone (Sd)116.9 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter6.89"
  • Baffle Cutout Diameter5.35"
  • Depth3.07"
  • Bolt Circle Diameter6.24"
  • # Mounting Holes6
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.11 ft.³
  • Sealed F396 Hz
  • Vented Volume0.32 ft.³
  • Vented F352 Hz
Dynavox LW6004PMR 6-1/2" Woofer
  • BrandDynavox
  • ModelLW6004PMR
  • Part Number295-605
  • UPC844632000430
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (14 Reviews)
  • Weight4.9 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Dynavox LW6004PMR 6-1/2" Woofer
Dynavox LW6004PMR 6-1/2" Woofer is rated 4.5 out of 5 by 14.
Rated 5 out of 5 by from good driverthis driver has some very good things going for it..very good built quality..low distortion..very good bass from small driver..mounting is not the easiest..but its well worth it..its best in a 0.38 cuft ..encloser ..
Date published: 2013-08-19
Rated 5 out of 5 by from smooth and articulateI have been designing and building speaker enclosures for about 8 years now. My dumpster has seen many additions over this time period. Have used Lots of different drivers. (medium priced??). Stepped out after reading all the reviews on this driver, to higher end stuff. I am glad I did!!!!! All I build is 1/4 wave transmission lines, MTM configurations. Used 2 of these drivers with a Hivi Planar tweeter. ( 297-400). Figured a 2nd order crossover (2-way). @ 4000HZ to the tweeter. The Response graph on these woofers is nice and flat up to 4000..... The enclosures have a 83" line which is good for 40 HZ (1/4 wave). Excellent smooth bass, 3" voice coils make for articulate mids, etc. Most impressive driver I have used to date.. I expect good bass , I don't like subs. Go for it.....
Date published: 2012-07-24
Rated 5 out of 5 by from Better than new!With the help of a Parts Express agent I determined this was the only driver that would fit in my 1990's era Infinity ES-325 cabinets. With specs exceeding the original Infinity drivers I was not disappointed! They fit perfectly in the cabinets and sound great. Very tight bass and they blend well with the existing dome tweeters. I was able to drop the crossover frequency on my Polk Sub due to the improved bass response on my Infinitiys. I'm a happy camper!
Date published: 2012-01-14
Rated 4 out of 5 by from Awesome speaker!!!I have had this pair of speakers sitting in my closet for almost a year now waiting on me buying a crossover for the set. Just found out that the expensive crossover I just bought was a bad idea!! This driver has the best low end response ever!! I only needed the crossover for the tweeter. It was even a very simple 12x12x12 box with a 4" port. I dont even need a sub anymore because it has such low end responce!! Very impressed. . . . and no I did not get paid for this ad. . endorsed by Doug
Date published: 2010-10-20
Rated 5 out of 5 by from One ofthe best!Just an isainly good driver for the money or at any price for that matter! I used these in a multidriver array speaker for the bass section in a large ported incloser, four per speaker, and the results were nothing short of spectacular! Very, Very well built and better than drivers I have heard costing hundreds more. Let me be perfectly clear, you will not find a better driver for this amount of money period!!
Date published: 2010-02-21
Rated 5 out of 5 by from Great Midbass/MidrangeI own twelve of these drivers (not a typo). I have four each in 3 cubic foot sealed enclosures for my front left, right and center. The enclosures are 1.5 inches thick, internally braced and dampened as well.I had these crossed over to use as lower midrange/midbass sections. However, after some experimentation, I also found that these drivers sound better without the use of a crossover. However, in my set up, the drivers were interfering with my midrange unit's higher frequencies. I added a new crossover at a much higher point than the original 700Hz.I am very pleased with the sound quality of each array. The speakers will play down to 45Hz with limited response. However, they offer a warmer bass response and uncolored midrange.My only gripe (if you can call it that) is the way the terminals are attached to the speaker itself. This makes driver cut-outs and mounting very difficult.This is a great product compared to several other drivers at higher prices. Another easy recommendation for anyone looking to get good response from any 6.5 inch woofer.
Date published: 2010-01-27

Product Q&A

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Dynavox LW6004PMR 6-1/2" Woofer

Would the Dayton PT2C-8 be a good match for this driver in a 2 way system? Thx.

Asked by: Andyld
Yes these two drivers will work well together.
Answered by: MattP
Date published: 2014-10-06

I want to make a nice set of bookshelves out of a pair of these dynavox that I bought about 10 years ago..what would be the best optimized cabinet size, whether ported or sealed?

Asked by: jayC
These will work okay in either design. If they will be mated with a sub I would recommend a sealed cabinet which is .35 cubic feet with an F3 of about 88 Hz and usable room response into the 50's. If they will not be paired with a sub, the vented enclosure is 0.9 cubic feet with a 2" diameter port that is 3.5" long for a tuning frequency of 44 Hz.
Answered by: MattP
Date published: 2014-04-07

What would be the best ported cabinet size for 2 of these drivers.

I have run the specs for this driver on WinISD and it gives me a 4.00 cu.ft @ 30.89Hz with two of these in box. This is a MTM set up.I bought these drivers a few years back from PE with a set of Scan-Speak tweeters (276-508) I'd really like to get them built I've never got to use them. Any help on a good build for these drivers would be appreciated.
Asked by: jmanusa6
I don't think I would try to tune that low. The F3 is only ~3 hz lower than what I came up with only using 2.5 cu ft. This should reduce the excursion on the drivers below fs and maintain some power handling as well.My recommendation is 2.5 cu ft tuned to 41.32hz and a port 4" x 5" long.
Answered by: Musgofasa
Date published: 2013-07-29

What are the correct ohm's

You show 6 ohm in the specifications. In the catalog you show 8ohm. I am interested in buying a pair if they are 8ohm. Which one is right 6 or 8?
Asked by: dennis
Hello, I bought these woofers for my design and found that they are 8 ohm woofers when I verified its actual parameters using the WT3 tester which I would recommend when you purchase the drivers. This tool is extreamly helpful when getting accurate parameters for a particular design.
Answered by: the4thcrusade
Date published: 2012-12-31

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